Excelsior Medical Clinic, PA
NPI 1588618144 · Internal Medicine Physician · Sumter, SC
Excelsior Medical Clinic, PA is a Internal Medicine Physician organization in Sumter, SC (NPI 1588618144).
Provider details
- NPI number
- 1588618144
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Joseph Williams, President(803) 778-2429
- License
- 9646 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2007-10-09
Frequently asked questions
- What is Excelsior Medical Clinic, PA's NPI number?
- Excelsior Medical Clinic, PA's National Provider Identifier (NPI) is 1588618144, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Excelsior Medical Clinic, PA?
- Excelsior Medical Clinic, PA is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Excelsior Medical Clinic, PA located?
- Excelsior Medical Clinic, PA's practice location on file with NPPES is 448 N Main St, Sumter, SC 29150-4233.
- What is Excelsior Medical Clinic, PA's phone number?
- The practice phone number listed in the NPPES registry for Excelsior Medical Clinic, PA is (803) 778-2429.
- Who is the authorized official for Excelsior Medical Clinic, PA?
- The authorized official listed on Excelsior Medical Clinic, PA's NPPES record is Joseph Williams, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Excelsior Medical Clinic, PA's NPI active?
- Yes — Excelsior Medical Clinic, PA's NPI (1588618144) is active in the NPPES registry as of the last update on 2007-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.